string

src/conf/css.php

@@ -0,0 +1,10 @@
+<?php
+/**
+ * User: Nine
+ * Date: 2017/9/6
+ * Time: 下午10:24
+ */
+
+return [
+    '.nine-span' => "color:#df5000;font-size:14px"
+];

src/decorator/DecoratorComponent.php

@@ -25,6 +25,11 @@ abstract class DecoratorComponent
      */
     protected $_tail;
 
+    /**
+     * @var array
+     */
+    public $classList = [];
+
     /**
      * @var AbstractDump
      */
@@ -36,12 +41,55 @@ abstract class DecoratorComponent
      */
     public function __construct(AbstractDump $dump)
     {
+        $this->dump = $dump;
+        $this->initStyle();
+    }
+
+    /**
+     * 初始化css
+     */
+    protected function initStyle()
+    {
+        $config = require_once __DIR__ . '/../conf/css.php';
+        $styleStr = "<style>";
+        if (!empty($config)) {
+            foreach ($config as $k => $v) {
+                $styleStr .= $k . "{" . $v . "}";
+            }
+            $styleStr .= "</style>";
+        }
+        echo $styleStr;
+    }
+
+    /**
+     * 添加样式
+     * @param $className
+     * @return $this
+     */
+    public function addClass($className)
+    {
+        array_push($this->classList, $className);
+        return $this;
+    }
+
+    /**
+     * 添加css并转发给display
+     * @return mixed
+     */
+    public function show()
+    {
+//        设置tag
         $parts = explode("\\", static::class);
         $class = strtolower(array_pop($parts));
-        $this->_head = "<" . $class . ">";
+//        设置class
+        $classStr = implode(' ', $this->classList);
+        $this->_head = "<" . $class . " class='$classStr'>";
         $this->_tail = "</" . $class . ">";
-        $this->dump = $dump;
+        return static::display();
     }
 
+    /**
+     * @return mixed
+     */
     abstract public function display();
 }

src/decorator/Span.php

@@ -16,6 +16,7 @@ class Span extends DecoratorComponent
 
     public function display()
     {
+        echo "<style>.test{color:red;}</style>";
         echo $this->_head . $this->dump->value . $this->_tail;
     }
 }

src/render/DumpString.php

@@ -30,9 +30,11 @@ public function __construct($value)
         $this->value = $value;
     }
 
+
     public function render()
     {
         $decorator = new Span($this);
-        $decorator->display();
+        $decorator->addClass('nine-span')
+            ->show();
     }
 }